Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
Sep 2025 Milk Sub Index 7.85
Milk (kg) -146.00 -0.014 2.04
Fat (kg) -7.64 -0.375 2.86
Prot (kg) -6.66 -0.441 2.94
Fertility Sub Index -1.27
Calving Interval (days) 0.64 -1.459 -0.93
Survival (%) -0.30 1.117 -0.34
Calving Sub Index 2.84
Gestation Length (days) -3.09 -0.919 2.84
Beef Sub Index 1.54
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) 0.10 -0.432 -0.04
Maintenance Sub Index Maint. Sub Index 5.55
Live WT (kg) -18.10 -0.307 5.55
Total Carbon Sub Index 16.51

* Based on an €80/tonne carbon price